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公开(公告)号：US20240045530A1
公开(公告)日：2024-02-08
申请号：US17753637
申请日：2021-05-19
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Changzhi WU , Ying SUN , Yumin XU
IPC: G06F3/041
CPC classification number: G06F3/0412 , G06F3/04164
Abstract: The display panel includes at least one first touch area group and multiple touch wires; the at least one first touch area group includes two rows and N columns of touch electrodes; and each touch wire is electrically connected to a respective one touch electrode. The display panel further includes a first detection circuit and a second detection circuit; and each touch electrode is separately electrically connected to the first detection circuit and the second detection circuit by a respective one touch wire. The touch short-circuit detection stage includes a first detection stage. The detection method includes providing, at the first detection stage, a short-circuit detection signal for a touch electrode in the first touch electrode row by the first detection circuit; and determining, according to a short-circuit feedback signal generated by the second detection circuit, whether adjacent ones of the touch electrodes located in a same column are short-circuited.
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公开(公告)号：US20230112516A1
公开(公告)日：2023-04-13
申请号：US17052529
申请日：2019-11-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun ZOU , Ying SUN , Yumin XU
Abstract: The array substrate at least includes a plurality of electrode rows, a plurality of switch control lines and a plurality of switch units in a display area; each electrode row corresponds to at least one switch control line, each first electrode corresponds to one switch unit, and each switch unit includes at least one first switch; and in one of the electrode rows: the control terminal of at least one first switch in each switch unit in the one electrode row is connected to the same switch control line, the first poles of the first switches connected to the same switch control line are electrically connected to the first electrodes respectively, and the second poles of the first switches connected to the same switch control line are electrically connected to one another.
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公开(公告)号：US20220366837A1
公开(公告)日：2022-11-17
申请号：US17631472
申请日：2021-01-18
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun ZOU , Ying SUN , Yumin XU
Abstract: Provided are a display panel, a detection method thereof and a display device. A scan driving circuit, signal pins and a first gating circuit are disposed in the display panel. Signal pins include a detection signal pin and an enable signal pin. The scan driving circuit includes scan drive units disposed in a cascade manner. The first gating circuit includes a first switch unit and a second switch unit. An input terminal of the first switch unit is electrically connected to a scan signal detection terminal of an Nth-stage scan drive unit. An input terminal of the second switch unit is electrically connected to a scan signal detection terminal of a first-stage scan drive unit. An output terminal of the first switch unit and an output terminal of the second switch unit are both electrically connected to the detection signal pin. The first switch unit is configured to turn on in a forward scan detection stage and turn off in a backward scan detection stage. The second switch unit is configured to turn on in the backward scan detection stage and turn off in the backward scan detection stage.
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公开(公告)号：US20210200973A1
公开(公告)日：2021-07-01
申请号：US15930997
申请日：2020-05-13
Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.
Abstract: Display panel, driving method, and display device are provided. The display panel includes first signal output lines, first signal input lines, fingerprint recognition units arranged in an array, touch-control electrodes arranged in an array, and a driving circuit. One touch-control electrode corresponds to at least two fingerprint recognition units, and is electrically connected to at least one first signal input line. One fingerprint recognition unit includes a photodiode, a first electrode, and a switch module. A first terminal of the photodiode is electrically connected to the switch module, a second terminal of the photodiode is electrically connected to a corresponding touch-control electrode, the switch module is electrically connected to a corresponding first signal output line, and the first electrode is electrically connected to the first terminal of the photodiode. The first signal output lines and the first signal input lines are electrically connected to the driving circuit.
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公开(公告)号：US20190079625A1
公开(公告)日：2019-03-14
申请号：US16186578
申请日：2018-11-11
Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yu WANG , Zhenqing XIE , Ying SUN , Bingping LIU , Yumin XU , Guozhao CHEN , Min HUANG
Abstract: An array substrate, a touch display panel and a touch display device are provided. In the array substrate, the number of inverters in a second buffer unit is smaller than the number of inverters in a first buffer unit, or a size of an inverter in the second buffer unit is smaller than a size of an inverter in the first buffer unit, or the number of inverters in the second buffer unit is smaller than the number of inverters in the first buffer unit and the size of the inverter in the second buffer unit is smaller than the size of the inverter in the first buffer unit.
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Patent Agency Ranking
公开(公告)号：US20170147127A1
公开(公告)日：2017-05-25
申请号：US15183631
申请日：2016-06-15
Inventor： Ying SUN
IPC: G06F3/041 , G02F1/1335 , G11C19/28 , G02F1/1333
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G06F3/0412 , G06F3/044 , G09G3/20 , G09G3/3677 , G09G2310/0286 , G09G2354/00 , G11C19/28 , G11C19/287
Abstract: The disclosure provides an array substrate, a touch display device and a driving method thereof. The array substrate includes a display region and a peripheral region. The display region includes a plurality of scan lines and the peripheral region comprises a gate electrode driving circuit and a touch driving circuit, the gate electrode driving circuit includes a plurality of stages of shift registers. Each of the plurality of stages of shift registers corresponds to and is electrically connected to one of the plurality of scan lines. The plurality of stages of shift registers are disposed at one side or two sides of the peripheral region. The shift registers disposed at at least one side of the peripheral region are divided into N groups of shift registers. The touch driving circuit includes N groups of touch selection outputting units corresponding to the N groups of shift registers.
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公开(公告)号：US20170115813A1
公开(公告)日：2017-04-27
申请号：US15397290
申请日：2017-01-03
Inventor： Zhonghuai CHEN , Ying SUN , Yumin XU XU , Poping SHEN
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04105 , G06F2203/04111 , G06F2203/04112
Abstract: A display panel, a display device and a driving method are provided. The display panel comprises a touch control driving electrode array including a plurality of touch control driving electrodes; a touch control sensing electrode array including a plurality of touch control sensing electrodes; a force sensing electrode array disposed in a same layer as the touch control sensing electrode array; and at least one force sensing reference electrode. An orthogonal projection of a touch control sensing electrode onto the touch control driving electrode array is at least partially overlapped with the touch control driving electrodes. The force sensing electrode array includes a plurality of force sensing electrodes electrically insulated from the touch control sensing electrodes. An orthogonal projection of the at least one force sensing reference electrode onto the force sensing electrode array is at least partially overlapped with the force sensing electrodes.
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公开(公告)号：US20170308237A1
公开(公告)日：2017-10-26
申请号：US15242898
申请日：2016-08-22
CPC classification number: G06F3/0418 , G06F3/0412 , G06F3/0414 , G06F3/0416 , G06F3/044 , G06F2203/04103 , G06F2203/04105 , G06F2203/04111
Abstract: The present disclosure provides a touch display device and a method for driving the touch display device. The touch display device includes an array substrate and a color film substrate arranged opposite to the array substrate; a touch electrode array disposed on the array substrate, and a plurality of touch sensing electrodes arranged along a first direction and disposed on the color film substrate. The touch electrode array includes M×N touch electrodes. The touch electrodes are insulated from each other. The touch sensing electrodes extend along a second direction perpendicular to the first direction, and the touch sensing electrodes are insulated from each other. An orthographic projection of each of the touch electrodes to a plane where the touch sensing electrodes are located at least partially overlaps with one of the touch sensing electrodes.
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公开(公告)号：US20220398992A1
公开(公告)日：2022-12-15
申请号：US17621700
申请日：2021-01-28
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zongjun ZOU , Ying SUN , Yumin XU
IPC: G09G5/00
Abstract: Provided are a display panel and a display device. The display panel includes a gate drive circuit, a plurality of impedance regulation circuits and a control module. The gate drive circuit includes a plurality of cascaded first shift registers. The plurality of cascaded first shift registers are electrically connected to a plurality of scanning lines in one to one correspondence; and the plurality of impedance regulation circuits are in one-to-one correspondence with the plurality of scanning lines. Each of the plurality of impedance regulation circuits is in series connection between a first shift register corresponding to the each of the plurality of impedance regulation circuits and a scanning line corresponding to the each of the plurality of impedance regulation circuits. The each of the plurality of impedance regulation circuits includes at least one transistor.
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公开(公告)号：US20210191545A1
公开(公告)日：2021-06-24
申请号：US16823858
申请日：2020-03-19
Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd
Inventor： Tingting ZHANG , Changzhi WU , Ying SUN , Yumin XU
Abstract: A display panel, having a display area where display units, touch electrodes, and fingerprint identification units are arranged, and a non-display area including first to third bonding areas, the second and third bonding areas being located on two sides of the first bonding area, respectively. First pads, second pads, and third pads are arranged in the bonding areas, and the number of the first pads is greater than the number of the third pads, and the number of the second pads is greater than the number of the third pads. One or more first pads, one or more second pads, and one or more third pads are arranged in the first bonding area alternately. Each of the second bonding area and the third bonding area is provided with one or more first pads and one or more second pads. A display device includes the display panel.
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